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From Warhammer 40k - Lexicanum
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A chemical compound used by the [[Imperium]] in flamer weapons. Promethium is a gel that sticks to a person, and will continue to burn, even underwater.
Is also a major fuel source within and outside the Imperial relm. Most races are known to use Promethium, excepions include the [[Necrons]]. When refined it is used to run many forms of vehicles.
[[Category:Technology]]
